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Implement an in-kernel rxperf server to allow kernel-based rxrpc services to be tested directly, unlike with AFS where they're accessed by the fileserver when the latter decides it wants to. This is implemented as a module that, if loaded, opens UDP port 7009 (afs3-rmtsys) and listens on it for incoming calls. Calls can be generated using the rxperf command shipped with OpenAFS, for example. Changes ======= ver #2) - Use min_t() instead of min(). Signed-off-by: David Howells <dhowells@redhat.com> cc: Marc Dionne <marc.dionne@auristor.com> cc: linux-afs@lists.infradead.org cc: Jakub Kicinski <kuba@kernel.org>
77 lines
2.7 KiB
C
77 lines
2.7 KiB
C
/* SPDX-License-Identifier: GPL-2.0-or-later */
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/* RxRPC kernel service interface definitions
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*
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* Copyright (C) 2007 Red Hat, Inc. All Rights Reserved.
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* Written by David Howells (dhowells@redhat.com)
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*/
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#ifndef _NET_RXRPC_H
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#define _NET_RXRPC_H
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#include <linux/rxrpc.h>
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#include <linux/ktime.h>
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struct key;
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struct sock;
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struct socket;
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struct rxrpc_call;
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enum rxrpc_interruptibility {
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RXRPC_INTERRUPTIBLE, /* Call is interruptible */
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RXRPC_PREINTERRUPTIBLE, /* Call can be cancelled whilst waiting for a slot */
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RXRPC_UNINTERRUPTIBLE, /* Call should not be interruptible at all */
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};
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/*
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* Debug ID counter for tracing.
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*/
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extern atomic_t rxrpc_debug_id;
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typedef void (*rxrpc_notify_rx_t)(struct sock *, struct rxrpc_call *,
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unsigned long);
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typedef void (*rxrpc_notify_end_tx_t)(struct sock *, struct rxrpc_call *,
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unsigned long);
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typedef void (*rxrpc_notify_new_call_t)(struct sock *, struct rxrpc_call *,
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unsigned long);
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typedef void (*rxrpc_discard_new_call_t)(struct rxrpc_call *, unsigned long);
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typedef void (*rxrpc_user_attach_call_t)(struct rxrpc_call *, unsigned long);
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void rxrpc_kernel_new_call_notification(struct socket *,
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rxrpc_notify_new_call_t,
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rxrpc_discard_new_call_t);
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struct rxrpc_call *rxrpc_kernel_begin_call(struct socket *,
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struct sockaddr_rxrpc *,
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struct key *,
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unsigned long,
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s64,
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gfp_t,
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rxrpc_notify_rx_t,
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bool,
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enum rxrpc_interruptibility,
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unsigned int);
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int rxrpc_kernel_send_data(struct socket *, struct rxrpc_call *,
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struct msghdr *, size_t,
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rxrpc_notify_end_tx_t);
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int rxrpc_kernel_recv_data(struct socket *, struct rxrpc_call *,
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struct iov_iter *, size_t *, bool, u32 *, u16 *);
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bool rxrpc_kernel_abort_call(struct socket *, struct rxrpc_call *,
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u32, int, const char *);
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void rxrpc_kernel_end_call(struct socket *, struct rxrpc_call *);
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void rxrpc_kernel_get_peer(struct socket *, struct rxrpc_call *,
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struct sockaddr_rxrpc *);
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bool rxrpc_kernel_get_srtt(struct socket *, struct rxrpc_call *, u32 *);
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int rxrpc_kernel_charge_accept(struct socket *, rxrpc_notify_rx_t,
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rxrpc_user_attach_call_t, unsigned long, gfp_t,
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unsigned int);
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void rxrpc_kernel_set_tx_length(struct socket *, struct rxrpc_call *, s64);
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bool rxrpc_kernel_check_life(const struct socket *, const struct rxrpc_call *);
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u32 rxrpc_kernel_get_epoch(struct socket *, struct rxrpc_call *);
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bool rxrpc_kernel_call_is_complete(struct rxrpc_call *);
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void rxrpc_kernel_set_max_life(struct socket *, struct rxrpc_call *,
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unsigned long);
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int rxrpc_sock_set_min_security_level(struct sock *sk, unsigned int val);
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int rxrpc_sock_set_security_keyring(struct sock *, struct key *);
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#endif /* _NET_RXRPC_H */
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